91 lines
2.8 KiB
C++

// -----------------------------------------------------------------------------
// This file was autogenerated by symforce from template:
// backends/cpp/templates/function/FUNCTION.h.jinja
// Do NOT modify by hand.
// -----------------------------------------------------------------------------
#pragma once
#include <matrix/math.hpp>
namespace sym {
/**
* This function was autogenerated from a symbolic function. Do not modify by hand.
*
* Symbolic function: fuse_airspeed
*
* Args:
* v_local: Matrix31
* state: Matrix31
* P: Matrix33
* airspeed: Scalar
* R: Scalar
* epsilon: Scalar
*
* Outputs:
* H: Matrix13
* K: Matrix31
* innov_var: Scalar
* innov: Scalar
*/
template <typename Scalar>
void FuseAirspeed(const matrix::Matrix<Scalar, 3, 1>& v_local,
const matrix::Matrix<Scalar, 3, 1>& state, const matrix::Matrix<Scalar, 3, 3>& P,
const Scalar airspeed, const Scalar R, const Scalar epsilon,
matrix::Matrix<Scalar, 1, 3>* const H = nullptr,
matrix::Matrix<Scalar, 3, 1>* const K = nullptr, Scalar* const innov_var = nullptr,
Scalar* const innov = nullptr) {
// Total ops: 56
// Input arrays
// Intermediate terms (11)
const Scalar _tmp0 = -state(0, 0) + v_local(0, 0);
const Scalar _tmp1 = -state(1, 0) + v_local(1, 0);
const Scalar _tmp2 = std::sqrt(Scalar(std::pow(_tmp0, Scalar(2)) + std::pow(_tmp1, Scalar(2)) +
epsilon + std::pow(v_local(2, 0), Scalar(2))));
const Scalar _tmp3 = state(2, 0) / _tmp2;
const Scalar _tmp4 = _tmp0 * _tmp3;
const Scalar _tmp5 = _tmp1 * _tmp3;
const Scalar _tmp6 = -P(0, 0) * _tmp4;
const Scalar _tmp7 = -P(1, 1) * _tmp5;
const Scalar _tmp8 = P(2, 2) * _tmp2;
const Scalar _tmp9 = R + _tmp2 * (-P(0, 2) * _tmp4 - P(1, 2) * _tmp5 + _tmp8) -
_tmp4 * (-P(1, 0) * _tmp5 + P(2, 0) * _tmp2 + _tmp6) -
_tmp5 * (-P(0, 1) * _tmp4 + P(2, 1) * _tmp2 + _tmp7);
const Scalar _tmp10 = Scalar(1.0) / (math::max<Scalar>(_tmp9, epsilon));
// Output terms (4)
if (H != nullptr) {
matrix::Matrix<Scalar, 1, 3>& _H = (*H);
_H(0, 0) = -_tmp4;
_H(0, 1) = -_tmp5;
_H(0, 2) = _tmp2;
}
if (K != nullptr) {
matrix::Matrix<Scalar, 3, 1>& _K = (*K);
_K(0, 0) = _tmp10 * (-P(0, 1) * _tmp5 + P(0, 2) * _tmp2 + _tmp6);
_K(1, 0) = _tmp10 * (-P(1, 0) * _tmp4 + P(1, 2) * _tmp2 + _tmp7);
_K(2, 0) = _tmp10 * (-P(2, 0) * _tmp4 - P(2, 1) * _tmp5 + _tmp8);
}
if (innov_var != nullptr) {
Scalar& _innov_var = (*innov_var);
_innov_var = _tmp9;
}
if (innov != nullptr) {
Scalar& _innov = (*innov);
_innov = -_tmp2 * state(2, 0) + airspeed;
}
} // NOLINT(readability/fn_size)
// NOLINTNEXTLINE(readability/fn_size)
} // namespace sym